... multimedia communication also involves audio coding, control
and signaling, and the multiplexing of audio, video, data, and controlsignals. ITU-T specifies a
number of system standards for multimedia ... models, audio, speech, analog/digital video, and composition
information. The standardized description will enable fast and efficient search and retrieval
of multimedia content and advance the search ... interactivity, universal access, and high-compression coding of
general material for a wide bit-rate range. It also emphasizes flexibility and extensibility. The
concept of content-based coding of MPEG-4...
... strategies, Algorithmic sim-
plifications for real-time imageandvideo processing, Hardware platforms for real-time image
andvideo processing, Software methods for real-time imageandvideo processing
P1: ... REAL-TIME IMAGEANDVIDEO PROCESSING: FROM RESEARCH TO REALITY
from obtaining an enhanced image to intelligent scene analysis. Digital images andvideo are
essentially multidimensional signals ... field of multidimensional signal
processing have all led to the creation of the field of real-time imageandvideo processing.
Here, an overview of the history ofimageprocessing is stated in order...
... Taylor and Francis Group, LLC
xiii
5.2 Image halving using linear distributive and unitary properties
of DCT: (a) original image, (b) bilinear decimation in spatial
domain, and (c) downsampled image ... 2011 by Taylor and Francis Group, LLC
8 ImageandVideoProcessing in the Compressed Domain
Compressed
Image
Entropy
Decoding
Alternative
Representation
Processing in the
domain of
Alternative
Representation
Processed
Output ... For
image and video, this is usually achieved by an alternative representation in
a different domain other than their original domains of representation, which
are spatial and spatiotemporal for images...
... average value
of the image signal Y
AVG
is made as a product of brightness
L of the input image, Exposure (integration) Time t
ET
of
the sensor, gain G of the imageprocessing pipeline, and a
constant ... higher signal values
is proportional to the square root of the signal
amplitude and when the whole image signal is shifted
down by the AB control, parts of the signal with
higher noise values are ... moment of the Short Exposure Image but also
for the frequency difference of the actual and ideal mains lock
frequencies. Namely, due to a frequency drift of the mains
signal (usually up to 1% of a...
... detection of lesions [42]. Consequently, removal
of these artefacts is of high importance both from the clinical
and the technical perspect ives.
4 EURASIP Journal on ImageandVideo Processing
(a) ... Detecting specular highlights may
6 EURASIP Journal on ImageandVideo Processing
Table 1: Performance of the algorithm for equal costs of false positives and false negatives. Compared to the method in ... EURASIP Journal on ImageandVideoProcessing 3
(a) (b) (c)
Figure 1: Examples of images from minimally invasive medical procedures showing specular highlights. (a) Laparoscope imageof the
appendix,...
... detector; final detections of (g, h) bare heads andof hard hats
(i, j).
EURASIP Journal on ImageandVideoProcessing 7
True detections (66%)
(a) (b) (c)
False detections out of scale (24%)
False detections ... whole space of window states (typically
position and scale), and its cardinality depends on the size
of the image, on the range of scales to check, and on
the stride of scattering of the windows. ... applied on it; specifically,
each of them operates on a rectangular patch over the polar
image, that represents a slice of annulus over the original
EURASIP Journal on ImageandVideoProcessing 11
0
20
40
60
80
100
−20
0
20
40
60
−60
−40
−20
0
20
40
60
80
L
a
b
Plot...
... value, which was of the order of a few hundred
FIGURE 6.24 SFFM images of a bilayer of a 1:1 mixture of PFECA and AA; the scan size is 4
×
4 µm
2
. The circular
islands in the topographic image ... scale (Zhong and Tománek, 1990; Tománek et al. , 1991;
Colchero and Marti, 1995; Colchero et al. , 1996b; Gyalog et al. , 1995). These models can be considered
an extension of a molecular model of ... 6.3 If the cantilever and the optical setup are aligned correctly, the motions n
α
and n
β
induced by normal
and lateral forces cause perpendicular movements r
α
and r
β
of the reflected laser...